| majorityValue | DataFrame.DecisionTree |
| majorityValueFromIndices | DataFrame.DecisionTree |
| makeCol | DataFrame.Lazy.IO.CSV |
| makeParsingAssumption | DataFrame.Operations.Typing |
| makeParsingAssumptionBS | DataFrame.IO.CSV |
| MAP | DataFrame.IO.Parquet.Thrift |
| mapColumn | DataFrame.Internal.Column |
| MAP_TYPE | DataFrame.IO.Parquet.Types |
| match | DataFrame.Functions |
| matchAll | DataFrame.Functions |
| materialize | DataFrame.Internal.Interpreter |
| max | DataFrame.Functions |
| maxExprDepth | DataFrame.DecisionTree |
| maximum | |
| 1 (Function) | DataFrame.Functions |
| 2 (Function) | DataFrame.Typed.Expr, DataFrame.Typed |
| maxJoinOutputRows | DataFrame.Operations.Join, DataFrame |
| maxTreeDepth | DataFrame.DecisionTree |
| MBoxedColumn | DataFrame.Internal.Column |
| mean | |
| 1 (Function) | DataFrame.Operations.Statistics, DataFrame |
| 2 (Function) | DataFrame.Functions |
| 3 (Function) | DataFrame.Typed.Expr, DataFrame.Typed |
| mean' | DataFrame.Internal.Statistics |
| MeanAcc | |
| 1 (Type/Class) | DataFrame.Internal.Expression |
| 2 (Data Constructor) | DataFrame.Internal.Expression |
| meanDouble' | DataFrame.Internal.Statistics |
| meanInt' | DataFrame.Internal.Statistics |
| meanMaybe | |
| 1 (Function) | DataFrame.Operations.Statistics, DataFrame |
| 2 (Function) | DataFrame.Functions |
| MeanSquaredError | DataFrame.Synthesis |
| meanSquaredError | DataFrame.Internal.Statistics |
| median | |
| 1 (Function) | DataFrame.Operations.Statistics, DataFrame |
| 2 (Function) | DataFrame.Functions |
| median' | DataFrame.Internal.Statistics |
| medianMaybe | |
| 1 (Function) | DataFrame.Operations.Statistics, DataFrame |
| 2 (Function) | DataFrame.Functions |
| memoryBudgetBytes | DataFrame.Lazy.Internal.Executor |
| MergeAgg | DataFrame.Internal.Expression |
| mergeColumns | DataFrame.Internal.Column |
| MICROSECONDS | DataFrame.IO.Parquet.Types |
| microsecondsToUTCTime | DataFrame.IO.Parquet |
| MILLISECONDS | DataFrame.IO.Parquet.Types |
| min | DataFrame.Functions |
| minimum | |
| 1 (Function) | DataFrame.Functions |
| 2 (Function) | DataFrame.Typed.Expr, DataFrame.Typed |
| minLeafSize | DataFrame.DecisionTree |
| minSamplesSplit | DataFrame.DecisionTree |
| missingIndicators | DataFrame.IO.CSV, DataFrame |
| MkBinaryOp | DataFrame.Internal.Expression |
| mkColumnFromRow | DataFrame.Internal.Row |
| mkRowFromArgs | DataFrame.Internal.Row |
| mkRowRep | DataFrame.Internal.Row |
| MkTypeErrorContext | DataFrame.Errors, DataFrame |
| MkUnaryOp | DataFrame.Internal.Expression |
| mmax | DataFrame.IO.Parquet.Types |
| mmin | DataFrame.IO.Parquet.Types |
| mod | DataFrame.Functions |
| mode | DataFrame.Functions |
| modifyM | DataFrame.Monad |
| MOptionalColumn | DataFrame.Internal.Column |
| mult | DataFrame.Internal.Expression |
| MUnboxedColumn | DataFrame.Internal.Column |
| mustFlipCompare | DataFrame.Operations.Permutation |
| MutableColumn | DataFrame.Internal.Column |
| MutualInformation | DataFrame.Synthesis |
| mutualInformationBinned | DataFrame.Internal.Statistics |